Integrated process for making inflatable article
CA 2629394 A1 · Owner: Sealed Air Corporation (Us) · Inventors: O'Dowd, Bob; Metta, Mike; Kannankeril, Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An integrated process for making an inflatable laminated article comprises extruding (11) a first , film and a second film followed by cooling (14) the first film and the second film so that the , films will not fuse to one another upon contact with each other. The films are then brought into , contact with one another and selected portions of one or both films are heated so that the films , are heat sealed to one another in a selected area having a desired pattern (15, 16). The unsealed , area between the film provides inflatable chambers between the first film and the second film. An , alternative process utilizes a film tubing in lay-flat configuration to produce a laminated …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 22, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.